12561145 is an odd 8-digits composite number following 12561144
and preceding 12561146 . In scientific notation, it is written as 1.2561145 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10048912 positive integers (up to 12561145) that are relatively prime to 12561145.
12561145 has 4 divisors, whose sum is 15073380
The reverse of 12561145 is 54116521
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million five hundred sixty-one thousand one hundred forty-five
Scientific notation
1.2561145 × 10^7
Engineering notation
1.2561145 × 10^6
Prime Factorization
5 × 2512229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12561145
Product of the distinct prime numbers
The prime factorization of 12561145 is 5 × 2512229.
Since it has a total of 2 prime factors.
2 , 9 , 2 , 77 , 170 , 290 , 6654 , 6501 , 26201 , 45631 , 796815 , 96214 , 7981238 , 3327522 , 2293888 , 71370963 , 291936110 , 429303444 , 6185555823 , 4388705190
n×2
25122290
n×3
37683435
n×4
50244580
n×5
62805725
n÷2
6280572.5
n÷3
4187048.3333333
n÷3
3140286.25
n÷5
2512229
n2
157782363711025
n3
1.9819271490169E+21
n4
2.4895274298238E+28
n5
3.1271315027494E+35
2 √n
3544.1705658729
3 √n
232.45723960216
4 √n
59.532936815455
5 √n
26.290923760391
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561145 can be divided by 4 positive divisors.
The sum of these divisors (counting 12561145) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111111010101011111001
3
Ternary
212122011122121
4
Quaternary
233322223321
5
Quinary
11203424040
6
Senary
1125121241
8
Octal
57725371
10
Decimal
12561145
12
Duodecimal
4259221
16
Hexadecimal
bfaaf9
20
Vigesimal
3ia2h5
36
Base36
7h88p
md5
87a7ebf37fdb58dfe977ee2c05dddad1
sha1
9a6c7cbda5e3774d0f7bffa66071c98b0a51fe62
sha256
267d1aab4d50cecce863e7dd1ed488b04ec2c984a06900f3ee118cb41dc621de
sha512
d139b6959173a7cd741167b79a50781911b14e3c5a9da14bb859cab9756b3f1ead48f479ac5d1984d3d05246d192a8669bcd21434a3c3de2784a0ead065bc2b3
ripemd-160
feec1b8b8b762f2a9f52965ac0ae189e0eac77da
Diameter
25122290
Circumference
78924001.705352
Area
4.9568791470059E+14
Volume
8.3018770284023E+21
Surface area
1.9827516588024E+15
Circumference
78924001.705352
Perimeter
50244580
Area
157782363711025
Diagonal
17764141.617935
Surface area
946694182266150
Volume
1.9819271490169E+21
Space diagonal
21756541.34124
Perimeter
37683435
Area
68321767621452
Altitude
10878270.67062
Surface area
68321767621452
Volume
2.3357235448126E+20
Height
5921380.5393117